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Finding the Fourth Proportional to 63,859.73, 95,690.78 and 43,878.77

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Solution

The fourth proportional to 63,859.73, 95,690.78 and 43,878.77 is: 65,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,859.73 : 95,690.78 = 43,878.77 : x
  2. Step 2: Convert to fraction form
    63,859.73/95,690.78 = 43,878.77/x
  3. Step 3: Cross multiply
    63,859.73x = 95,690.78 × 43,878.77
  4. Step 4: Simplify right side
    63,859.73x = 4,198,793,507.35
  5. Step 5: Solve for x
    x = 4,198,793,507.35/63,859.73
  6. Step 6: Final answer
    x = 65,750.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.